Question

Define
1. equator
2. primary meridian​

Answer 1

Answer:

1. line notionally drawn on the earth equidistant from the poles, dividing the earth into northern and southern hemispheres and constituting the parallel of latitude 0° is called equator

2. planet's meridian adopted as the zero of longitude is called primary meridian

Answer 2

Answer:

1.The Equator is the invisible line that runs around the centre of the earth at 0°latitudes.

2.The primary meridian is the line of 0° longitude,the starting of measuring distance both east and west around the earth.